52425225 has 30 divisors (see below), whose sum is σ = 97113390. Its totient is φ = 27959040.

The previous prime is 52425209. The next prime is 52425227. The reversal of 52425225 is 52252425.

It can be written as a sum of positive squares in 3 ways, for example, as 13749264 + 38675961 = 3708^2 + 6219^2 .

It is not a de Polignac number, because 52425225 - 2⁴ = 52425209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52425227) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 10920 + ... + 14969.

It is an arithmetic number, because the mean of its divisors is an integer number (3237113).

Almost surely, 2^52425225 is an apocalyptic number.

It is an amenable number.

52425225 is a deficient number, since it is larger than the sum of its proper divisors (44688165).

52425225 is a wasteful number, since it uses less digits than its factorization.

52425225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25911 (or 25897 counting only the distinct ones).

The product of its digits is 8000, while the sum is 27.

The square root of 52425225 is about 7240.5265692490. The cubic root of 52425225 is about 374.2657633290.

It can be divided in two parts, 52425 and 225, that added together give a triangular number (52650 = T₃₂₄).

The spelling of 52425225 in words is "fifty-two million, four hundred twenty-five thousand, two hundred twenty-five".